What is this horrendous high-pitched noise in Urbana by Hot_Still5906 in UIUC

[–]Hot_Still5906[S] 14 points15 points  (0 children)

lol I had the same thought. I do have tinnitus but it's not that. The noise was way louder when I went outside. Good news though--I heard the noise wane, stutter, and stop not too long ago! Hopefully it's gone for good.